KR100187625B1 - A shipment device and a shipment method for a green tyre - Google Patents

Abstract

The present invention relates to a method for extracting a molded tire and its apparatus, wherein the extraction of the green tire, which has been completed on the forming drum (5), is completed by an extraction device that is manufactured and added separately. It is possible to reduce the work time because the transfer and molding work of the tire and the extraction and conveying work of the completed green tire are carried out without mutual interference, and the labor efficiency such as transportation of workers is abolished to improve work efficiency. It is.

Description

Extraction method of molding finished tire and its device

The present invention relates to a method and an apparatus for extracting a tire in which a molding process is completed, and in particular, to easily remove a compressed tire on a molding drum and to prevent interference with other operations, thereby reducing workmanship, time, and labor. The present invention relates to a method of extracting a molded tire and a device thereof.

In general, during the molding process, which is one of the tire manufacturing steps, all of the components used in the tire are sequentially joined to a cylindrical drum to determine the center thereof to form a green tire before vulcanization of tires. Green tires formed in the molding process are made of beads, carcasses and sidewalls of tires, respectively, and are sequentially attached to the forming drums. The reinforcements and treads wound on the belt drums are made of carcasses on the forming drums. Each type of material is overlaid.

On the other hand, the molding machine used in the molding process, as shown in Fig. 6 and 7, respectively, the feeder (1) which can supply the tread or reinforcement of the tire produced in each process; A belt drum 2 capable of winding the tread and the reinforcing material supplied from the feeder 1; A conveyer (3) which grips the tread wound on the belt drum (2) and moves to a predetermined position along the guide (4) at the floor of the workshop to release the held tread or the like; The drum is spaced apart from the belt drum 2 at a predetermined interval, and the guide 4 is connected to the bottom portion thereof, and a molding drum is formed such that the bead, carcass, sidewall, etc. of the tire produced in each manufacturing process are wound and attached. (5); A pressing roll to press the outer circumferential surface of the green tire overlaid with the tread or the like transported by the conveyor 3 after being wound on the belt drum 2 on the carcass or the like attached to the forming drum 5 (not shown). Presser 6 and the like; The green tire pressed by this presser 6 is transported on the forming drum 5 via a conveying means, and is provided with an inlet means 8 for moving to the position where the vulcanizing operation is carried out.

Therefore, the reinforcing material and tread supplied from the feeder 1 are joined to the outer circumference of the belt drum 2 and wound to the outer circumferential position of the tread or the like wound on the belt drum 2 with a predetermined width. ) Is moved to grip the tread and the like, and the tread etc. held by the conveyor 3 are wound around each component such as carcass by the conveyor 3 which is moved along the guide 4. The tire is moved to the outer periphery of the drum 5 so that the tread or the like is overlaid on the outer periphery of the carcass or the like, while the green tire formed by the carcass or tread attached and wound on the forming drum 5 is formed. The outer circumferential portion is pressed by the pressing roll of the outer presser 6 while the carcass, the tread, and the like are brought into close contact with each other and joined to each other, thereby forming a green tire.

On the other hand, the extraction of the green tire after the molding operation is conventionally, when the green tire is press-molded on the molding drum 5 through the press 6, the press roll of the press 6 is returned into the press 6, The conveying roll is returned and the conveyer 3 is moved to the outer circumferential position of the grit tire from which the interference element is removed, and the green tire wound on the forming drum 5 is gripped by the conveyer 3. The feeder 3 holding the green tire is moved to the position of the inlet means 8 connected to the vulcanization work position, and the green tire is separated from the feeder 3 moved to the inlet means 8 position and transported separately. The extraction is carried out in such a way that the conveyor 3, which is removed from the green tire, is moved again to the belt drum 2 where the tread or the like is moved, while being moved on the inlet means 8 by manual operation of the machine or worker. do.

However, the pressing roll of the pressing machine 6 is returned to take out the green tire after the pressing operation is completed on the forming drum 5 as described above, and the feeder 3 is moved back to the outer circumferential portion of the green tire. After the green tire is gripped by (3), it is moved to the conveying position of the retracting means (8), and one green tire is compressed and conveyed to the conveyer (3) by the conveying machine or the operator at the retracting means (8). After the gripped green tire is dismounted and transported, the conveyor 3 is moved to the belt drum 2 so that a new green tire is molded while the tread and the like are transported again. There is a problem in that the molding work cannot be performed on other tires until the end point is transported onto the pulling-in means 8, thereby greatly reducing the work efficiency.

In addition, the green tire gripped by the feeder 3 and transported to the conveying position of the drawing means 8 is placed on the conveying device by a worker's hand and transported, or the drawing means 8 in a state where the worker grasps the green tire directly. There is also a problem that excessive labor of the worker is required because it must be transported on the table.

Accordingly, the present invention is invented to solve the above problems, the extraction of the green tires that have been compressed on the forming drum is made by a separate manufactured extractor to extract the green tires from the forming drum and at the same time the belt drum As the tread of the upper layer is transferred, the green tire can be molded by joining a newly wound carcass to the forming drum, thereby reducing the forming time and the extraction time of the green tire, and the green tire is automatically transported by the inlet means, thereby greatly reducing the man-hour. It is an object of the present invention to provide a method of extracting a molded tire and a device thereof.

1 is a plan view of a molding apparatus according to the present invention.

2 is a front view of a molding apparatus according to the present invention.

3 is an operating state of the drawing device according to the invention.

4 is an operating state of the drawing device according to the invention.

5 is an operating state of the take-out device according to the invention.

6 is a plan view corresponding to FIG. 1 as a conventional use example.

FIG. 7 is a front view corresponding to FIG. 2 as a conventional use example.

* Explanation of symbols for main parts of the drawings

1 Feeder 2 Belt Drum

3: feeder 4: guide

5: forming drum 6: presser

8: retraction means 10: extraction device

11: frame 20: extractor

21: moving table 22: movable part

23: horizontal cylinder 24: hinge

25: rotary joint 26: tongs

27: ascending cylinder

In order to achieve the above object, the present invention provides two pillars mounted in a longitudinal direction on each of the actuators of the belt drum and the molding drum, which are mounted so as to correspond to each drive shaft on the same line, and spaced a predetermined distance, and two A frame made of a rail or the like mounted transversely across the pillar; It is installed at the lower end of the frame and is moved along the lower end of the frame by a motor or pneumatic, and is rotated a predetermined angle by a transverse cylinder installed at the lower end of the movable table while being hinged with the movable stand. The extractor made up of the tongs to be operated, the rotary joint part which is connected so that the tongs can be rotated 90 degrees, and the movable part formed of the ascending cylinder which can maintain the lift open state of the one side tongs is installed in the bottom of the frame.

In addition, the extraction of the tire according to the present invention having the above-described structure is completed by pressing the pressing roll on the forming drum to extract the state in which one side of the tongs is upwardly rotated and opened by the raising cylinder to the outer circumference of the green tire which is formed. The machine is moved, and the forceps of the extractor are joined to each other to hold the green tire, and at the same time, the movable part to which the green tire is gripped rotates a predetermined angle in the frame direction according to the operation of the horizontal cylinder. A new tread and the like are transferred and joined by a conveyer on the removed molding drum, and a crimping operation is performed on the new green tire, while the first green tire is gripped and the extractor whose movable part is rotated by a predetermined angle is moved to the conveying means transporting position. The rotary joint of the extractor moved to the conveying means conveying position by 90 ° Spaced apart from each other it is to occur through the method so that the green tire is carried to the number of an incoming single-phase machine or carriage connected to the pulling means.

In the present invention configured as described above, the first green tire is squeezed and removed and transported on the forming drum by the extraction device, and the tread of the other green tire is transferred to the forming drum by the conveyor on the belt drum to the second green tire. Is pressed, and the first molded green tire is transported onto the inlet means by an extractor configured to operate without interference with the conveyor and the pressing roll.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a molding machine according to the present invention, FIG. 2 shows a main part of the molding machine according to the present invention, and FIGS. 3 to 5 show an extraction apparatus operated according to the present invention, respectively. The same parts as those of FIG. 6 showing the structure are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 1 and FIG. 2, the molding machine of the present invention winds the feeder 1 such that the tread or the reinforcing material of the tire is fed in a band shape, and the tread etc. supplied from the feeder 1 are wound. Cylindrical belt drum (2) which can be joined while being rotated through a driving device or the like, and treads and reinforcements wound on the belt drum (2) are gripped at the outer circumferential portion thereof, and the drive shaft of the belt drum (2) Ring-shaped feeder 3, which is formed to extend in a rail shape having a predetermined width in the horizontal direction and is moved along the guide 4 located at the bottom of the workplace, carcass or bead of tires manufactured separately in each process And side treads are sequentially wound so that a tread or the like transported by the conveyor 3 is joined to an outer circumferential surface of the carcass or the like, and is parallel to the drive shaft of the belt drum 2. Cylindrical forming drums 5 spaced at predetermined intervals of the green tires so as to be bonded to each other of the components formed of the green tires wound on the forming drums 5 in a direction perpendicular to the forming drums 5. A presser 6 having a pressing roll (not shown) having a cylindrical shape on an outer circumferential surface thereof, a pulling means 8 for moving the green tire press-bonded by the presser 6 to a vulcanization operation position, and the belt drum ( It is provided with the extraction apparatus 10 which is parallel to the same line which 2) and the shaping | molding drum 5 make, and is mounted on the drive device of the belt drum 2 and the shaping drum 5, respectively.

Here, the extraction device 10 has a shape extending in a predetermined width upward while forming a columnar shape on the top of the driver of the belt drum 2 and the driver of the forming drum 5, as shown in FIGS. A frame 11 on which a rail extending horizontally and coaxially formed by the belt drum 2 and the forming drum 5 is fastened to a pair of pillars, and moved along a lower end of the frame 11. The extractor 20 is provided with a bar, and the extractor 20 is attached to the lower end of the rail of the frame 11 and moved along the rail by a power source such as air or a motor, and has a piston built in the horizontal direction at the lower end thereof. The movable cylinder 21 on which the horizontal cylinder 23 which hangs out is attached, and the hinge 24 is connected to the piston of the horizontal cylinder 23 while being fastened via the hinge 24 to the lower end of the movable cylinder 21. Consists of the movable part 22 to be rotated by a predetermined angle to the axial center.

In addition, the movable part 22 is clamped to the lifting cylinder 27 in which the piston is mounted so that one end of the green tire can be held in the vertical direction while being able to grip the outer periphery of the green tire on both sides thereof. And, it is composed of a rotary joint 25, which is connected to the hinge 24 in the direction of the hinge 24 at the distal end of the tongs 26 so as to rotate the tongs 26 by 90 degrees.

In the molded tire according to the present invention, the tread wound on the belt drum 2 is transported by the conveyor 3, and is overlaid on the carcass or the like wound on the molding drum 5 to form a green tire. When the pressing is completed on the outer circumferential surface of the green tire through the pressing roll of the pressing machine 6, the extractor 20 in which one side clamp 6 is opened upward by the lifting cylinder 27 is the frame 11 of the frame 11. It is moved to the outer circumferential portion of the green tire along the lower end, and the tongs 26 moved to the outer circumferential portion of the green tire are rotated in the mutual bonding direction to grip the outer circumferential portion of the green tire.

At the same time, the piston in the horizontal cylinder 23 mounted at the lower end of the movable table 21 is protruded so that the movable part 22 holding the green tire is rotated upward by a predetermined angle with the hinge 24 as the axis. The rotary joint 25 of the movable part 22 is moved by 90 ° while the extractor 20 with the movable part 22 rotated by a predetermined angle moves along the frame 11 to the conveying means 8, that is, the initial position. The tongs 26 and the green tires are rotated by 90 ° while the green tires that are moved and rotated to the conveying means 8 are transported or the extension of the tongs 26 connected to the inlet means 8. · It is to be extracted in a manner that is placed according to the opening.

Therefore, the tread or the like of the tire wound onto the belt drum 2 through the feeder 1 is joined to the carcass or the like on the forming drum 5 by the feeder 3, and the green tire is molded. 5) The green tire on the top is pressed by the pressing roll constituting the presser 6, and the pressed green tire is gripped and rotated upward by the extractor 20 moved along the frame 11 at the initial position. Will be.

Then, a feeder which is wound on the molding drum 5 from which the green tires are removed and the carcass of the green tires to be molded in turn is moved along the coaxial line of the belt drum 2 and the forming drum 5 ( 3) is bonded to a carcass or the like on the molding drum 5 in a state where the tread or the like wound sequentially on the belt drum 2 without interfering with the drawer 20 or the like, and the first green tire is gripped. The movable part 22 of the upwardly rotated extractor 20 is rotated by 90 ° by the rotary joint 25 while being moved to the initial position, which is the transporting position of the pulling means 8 as the movable table 21 moves. Intake means 8 The green tire is positioned on the conveying device and in the intake means 8.

In addition, the green tire extraction method as described above compared with the prior art, as shown in the following table.

As described in Table 1, the total time required for extraction and transportation of the crimped green tires and transport on the conveying and retracting means 8 is 11 t (in this embodiment, the unit t of time is seconds). The total time required by the present embodiment is 6t, which saves 5t of working time.

As described above, according to the present invention, the extraction time of the molded green tire is reduced to improve productivity, as well as it is possible to automatically transport the green tire by the inlet means, thereby reducing the man-hours of the worker and reducing work efficiency. This has the advantage of greatly improving.

Claims (2)

When the green tire on the forming drum 5 is pressed by the presser 6, the extractor 20 having the blade-side tongs 26 opened upward by the lift cylinder 27 is connected to the frame 11. The movable part in which the tongs 26 are fastened by the operation of the horizontal cylinder 23 mounted at the bottom of the movable table 21 while being gripped by the tongs 26 to be gripped by the tongs 26 along the lower end. 22 is pivoted upward on the hinge 24, and the extractor 20, in which the movable part 22 is pivoted upward, is moved to the conveying position of the inlet means 8, and the rotary joint of the movable part 22 25) is rotated 90 ° so that the forceps (26) and the green tire is rotated 90 °, and the green tire is extracted on the pulling means (8) or the pulling means (8) conveying equipment. The tongs 26 fastened to the lift cylinder 27 in which the outer circumference of the green tire can be gripped on both sides and the one end thereof is operated in the vertical direction, and a rod shape upward from the tip of the tongs 26 are Movable part 22 made of a rotary joint 25 which is fastened so as to rotate the tongs 26 by a predetermined angle while being fastened to achieve a guide rail while being fastened to the tip of the movable part 22 via a hinge 24. In addition to the movement along the back, the horizontal cylinder 23 which is to be operated in the horizontal direction at the lower end of the movable table 21 is fastened to the tip of the movable portion 22, the movable table 21 and the movable portion 22 The belt drum (1) is formed on the upper end of the pair of pillars formed in a columnar shape on top of the driver of the belt drum (2) and the driver of the forming drum (5) so that the extractor (20) is moved along its lower end. Coaxial line between 2) and molding drum (5) And an extraction device for forming complete Thai having a frame 11 consisting of rails fastened formed to fulfill the horizontal.